Operational issues and proposed solutions in wastewater treatment plants in the Western Black Sea basin of Turkey

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dc.authorscopusid58064657000
dc.authorscopusid57209011249
dc.authorscopusid58064190800
dc.authorscopusid23095783400
dc.contributor.authorArslan, Erol
dc.contributor.authorDemir, T.
dc.contributor.authorÜstünyıldız, B.
dc.contributor.authorPakdil, N.B.
dc.date.accessioned2023-07-26T11:54:36Z
dc.date.available2023-07-26T11:54:36Z
dc.date.issued2022
dc.departmentDÜ, Kaynaşlı Meslek Yüksekokulu, Çevre Koruma Teknolojileri Bölümüen_US
dc.description.abstractThe operational issues that are frequently encountered in municipal wastewater treatment plants with a capacity of over 10,000 m3/day in the Western Black Sea Basin of Turkey were investigated. The plants covered in the study consist of pre-treatment units and biological treatment (activated sludge system) units. The operational problems that may occur in each of these units are discussed and solution proposals are presented based on the characteristics of the basin. Sand accumulation problems originated due to the sewage system in bar screens and grit chambers which was affected by seasonal conditions. Besides, the difficulty of the sludge collecting mechanism was identified as the most dominant operational issue with a contribution value of 37 % in the primary settling tank. The insufficient dissolved oxygen concentration was determined as the most abundant issue with a contribution value of 30 % in the aeration tank. Floating flocks and spilling over the weirs were found to contribute the highest with a value of 34 %, these were followed by pinpoint and straggler flocs (26 %), deflocculation (22 %), and rising sludge (18 %) in the secondary settling tank. The issues of primary and final settling tanks were found to be related to the monitoring of sludge level and sludge collecting mechanism. Moreover, the major issues in the aeration tank can be eliminated by arranging the unit according to seasonal conditions. Operation selection and design of the plants must be configured consistent with the geographical, meteorological, climatic, economic, and sewage system specifications of the region. This study would be useful for resolving activated sludge settling and/or operating problems in existing systems and for designing new or upgraded plants. © 2023 Elsevier Ltd. All rights reserved.en_US
dc.identifier.doi10.1016/j.matpr.2022.12.173
dc.identifier.issn2214-7853
dc.identifier.scopus2-s2.0-85146230027en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1016/j.matpr.2022.12.173
dc.identifier.urihttps://hdl.handle.net/20.500.12684/12877
dc.indekslendigikaynakScopusen_US
dc.institutionauthorÜstünyıldız, B.
dc.language.isoenen_US
dc.publisherElsevier Ltden_US
dc.relation.ispartofMaterials Today: Proceedingsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.snmz$2023V1Guncelleme$en_US
dc.subjectOperational issuesen_US
dc.subjectWastewater treatment planten_US
dc.subjectWestern black sea basinen_US
dc.subjectActivated sludge processen_US
dc.subjectDissolved oxygenen_US
dc.subjectEffluentsen_US
dc.subjectGrit chambersen_US
dc.subjectReclamationen_US
dc.subjectSettling tanksen_US
dc.subjectSewage pumping plantsen_US
dc.subjectSpecificationsen_US
dc.subjectWater treatment plantsen_US
dc.subjectAeration tanksen_US
dc.subjectBlack seaen_US
dc.subjectConditionen_US
dc.subjectContribution valuesen_US
dc.subjectMunicipal wastewater treatment plantsen_US
dc.subjectOperational issuesen_US
dc.subjectPre-treatmentsen_US
dc.subjectSewage systemen_US
dc.subjectWaste water treatment plantsen_US
dc.subjectWestern black sea basinen_US
dc.subjectWastewater treatmenten_US
dc.titleOperational issues and proposed solutions in wastewater treatment plants in the Western Black Sea basin of Turkeyen_US
dc.typeArticleen_US

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